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Finding the Third Proportional to 7,700.50 and 16,696

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Solution

The third proportional to 7,700.50 and 16,696 is: 36,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.50 : 16,696 = 16,696 : x
  2. Step 2: Convert to fraction form
    7,700.50/16,696 = 16,696/x
  3. Step 3: Cross multiply
    7,700.50x = 16,696 × 16,696
  4. Step 4: Simplify right side
    7,700.50x = 278,756,416
  5. Step 5: Solve for x
    x = 278,756,416/7,700.50
  6. Step 6: Final answer
    x = 36,199.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.